excessive heat
Newsletter
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Climate change increases health risks with extreme summer heat and wildfires
Rising temperatures and wildfires fueled by climate change are posing significant health risks across Canada, with humid conditions exacerbating the effects.
In short:
- Eastern Canada experienced a heat dome in June 2024, with temperatures feeling as high as 40°C due to humidity.
- High humidity complicates the body's ability to cool down, increasing the risk of heat-related illnesses.
- Prolonged exposure to extreme heat and wildfire smoke can worsen respiratory and cardiovascular conditions.
Key quote:
"Some people may not be in the habit of protecting themselves from heat, given that this is early in the season. It’s still really important to prepare, particularly for people that may require assistance."
— Peter Berry, Health Canada spokesperson
Why this matters:
Rising temperatures and increased frequency of heat domes, driven by climate change, heighten the health risks of extreme heat and poor air quality.
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High temperatures linked to increased heart risks, study finds
As record-setting heat strikes the eastern U.S., new research shows that exposure to heat waves significantly raises the risk of cardiovascular problems, according to new research.
In short:
- The study, published in JAMA Cardiology, reviewed 500 observational studies on high temperatures and extreme weather's impact on heart health.
- Researchers found cardiovascular risks increase with prolonged heat exposure, especially in cooler regions without widespread air conditioning.
- Wildfires and extreme weather events like hurricanes elevate cardiovascular disease risks long after the initial events.
Key quote:
“I think we can advance the conversation on climate change. If we point out to people that there are these effects on cardiovascular health, cardiovascular disease is not theoretical or something that is going to happen in the future. This is here and now.”
— Dhruv S. Kazi, associate professor at Harvard Medical School
Why this matters:
The research highlights a stark correlation between heat waves and a surge in cardiovascular issues, including heart attacks and strokes. Vulnerable populations, such as the elderly and those with pre-existing health conditions, are particularly at risk. The findings emphasize the need for better public health strategies to protect these groups during extreme heat events.
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‘You’re living in a tin can'
Arizona’s mobile-home residents are far more likely to die from excessive heat.
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www.theatlantic.com
July 2019 is 'shaping up to be the warmest month ever'
It’s not just this heat wave. July 2019 is likely to be the hottest month ever measured.
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